—Who do you ____ is the best student in our class?
—Liu Ming, of course.
A.think B.think of C.think about D.to think
A
【解析】
句意:-你认为谁是我们班最好的学生?-当然是刘明。think 认为;think of想起,考虑;think about与think of同义;to think是动词不定式。do you think是一个插入语,“你认为...”,放在疑问词的后面。故选A。